Machine



A' l Un'irrnn STATES PATENT @Erica CHARLES DAVIS, oE BOSTON, MASSACHUSETTS, ASSIGNOR oELoNE-HALE l- To ASHER A. wrnTn'oE sA-ME PLACE.

TURNING-MACHINE.

SPECIFICATIOforming part of Letters Patent No. 514,215, dated Februaryr, 1894.

, .Application filed May 3,1893. Serial No. 472.882. (No model.)

Z'o all whom it. may concern: A moved more quickly than it could be by a f Be it known that I, CHARLEsfM. DAVIS, of screw, so that the workman is enabled to Boston, in the county of Suffolk and State of instantly adjust the cutter to the stock by Massachusetts, have invented a new and usemoving the cutterV from or toward the work 5 ful Improvementin Attachments forTurning--V according to the feel of the stock operated` 55 Machines, of which the following is a specifi on. The work W' is ordinarily between the cation, reference being had to the accompanycutter-head and hand-lever, and the workman I f ing drawings, in whichis enabled to pull the cutter up to the work Figure lis a plan of a machine embodying and move lit away therefrom, whenever necesro my invention, only so much, however, of thev sary, readily and quickly; and by the use of 6o old structure being shown as suffices to show my invention is enabled to turn irregular the connection of my invention therewith. forms with a singletool, for such in truth is 'y Fig. 2 is a sectional elevation on line 2 2 of the cutter-head. Thecutter-head may be ro- Fig. l; but also shows the preferredmethod tated by belting its pulley D4 to the shaft to 15 of lbelting up. Fig. 3 is a perspective of the which the live headstock is belted. 65 preferred form of my new tool-frame. Fig. 4. If it is desired to turn out Work which is is an end view of unturned stock marked for polygonal in cross-section, I ship the belt of turning into product polygonal in cross-secthe live-head stock and clutch that head stock tion. Fig. 5 shows the stock in place for turn- 0r otherwise turn it into a dead head-stock.

zo ing into product polygonal in cross-section. The work is then stationarybetween the pup- 7c..

The object of my invention is to produce pets, and the'work brings up the cutter-head an yimproved machine for turning irregular to cut away the surplus stock outside each forms, especially in wood; and my invention guide-line w, on the end of the stock (see consists in the constructional features set Fig. 4). When thestock is cut down to one 2 5 forth and claimed herein. j guide-line, the clutch is loosed, the work 7 5 In the drawings, illustrating that embodirocked properly between the puppets, the ment of'my invention which I deem the b est clutch secured, and the cutter-head moved to for adapting to wood-turning,A is the bed or cut down to the next guide-line; and so on frame; A the live head-stock, and A2 the tailuntil the turning is completed.

' 3o stock of an ordinary wood-turning lathe. In One great advantage of my invention is 8o some cases I employ a clutch A2 or equivathat irregular forms may be turned by woodlent device for preventing the rotation of the workers without use of the considerable vawork. In either case, however, the parts A', riety of tools now required in producing a A2 serve as a Work-holder. product differingin cross-sectional diameters 3 5 B is a rotary cutter-head provided with and surface conliguration. For the best re- 85 blades b, of any desired configuration on their sults, frame D should be vertically adjustcutting edges. Cutter-head B reciprocates able so that the blades may engage the work toward and from the work, and to accomplish at a higher or lower horizontal plane as dethis most. readily, Il journal cutter-head B in sired, and I consequently prefer to make the 4o a reciprocating carriage D; and, in order that tracks d2adj ust-able. 9o

the workman may have the cutter-head un- The combination of the frame composed of der his control, connect it to a hand-leverD the base-plate and. projecting arms with a reby a swinging frame D2 loosely pinned tocar ciprocating cutter-carrier and cutter jourv riage D at d d. Hand-leverD is best loosely naled therein with means, broadly considered,

45 pinned at d to frame D3 which is formed with vfor actuating the cutter-carrier is not broadly 95 tracks d2 (preferably, vertically adjustable) claimed herein but is so claimed in my applifor carriage D. Adjustable stops daare best cation, Serial No. 486,890, filed September 30,

` provided to limit the movement of carriage 1893. In this application Serial No. 472,882 I D toward work W. I employ frame D2 and limit myself to the'specific mechanism herein 5o hand-lever D', because the carriage is thereby set forth for actuating the cutter-carrier. too

What I claim is- D3 ani engaging the swinging frame D2, the

In an attachment for turning lathes, the carriage D being moved Whenever the lever 1o combination ofamain frame Dsprovided with D is moved, all substantially as and for the tracks d2 withareciprocatng carriageD movpurpose set forth.

5 ing on tracks d2; arotarycutter journaled in CHARLES M. DAVIS.

said carriage D; a swinging U-shaped frame Witnesses: D2 the legs of which are fulerumed to cai'- EDWARD S. BEACH, riage D; a lever D fulerumed to main fraine THOMAS JOHNSON. 

